213220367351 has 4 divisors (see below), whose sum is σ = 213232222392. Its totient is φ = 213208512312.

The previous prime is 213220367317. The next prime is 213220367417. The reversal of 213220367351 is 153763022312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213220367351 - 2³⁰ = 212146625527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213220367551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5900501 + ... + 5936526.

It is an arithmetic number, because the mean of its divisors is an integer number (53308055598).

Almost surely, 2^213220367351 is an apocalyptic number.

213220367351 is a deficient number, since it is larger than the sum of its proper divisors (11855041).

213220367351 is a wasteful number, since it uses less digits than its factorization.

213220367351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11855040.

The product of its (nonzero) digits is 45360, while the sum is 35.

Adding to 213220367351 its reverse (153763022312), we get a palindrome (366983389663).

The spelling of 213220367351 in words is "two hundred thirteen billion, two hundred twenty million, three hundred sixty-seven thousand, three hundred fifty-one".